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United States Patent | 5,167,454 |
Woods ,   et al. | December 1, 1992 |
A reclosable plastic bag including grip strips of a plurality of spaced apart ridges extending generally parallel to one another over the width of the bag on opposed lips of the bag, wherein the ridges are characterized in cross-section by a lower generally triangularly-shaped portion and by an upper bulbous portion defined generally at an apex of the lower generally triangularly-shaped portion.
Inventors: | Woods; Jamie M. (Kawkawlin, MI); Porchia; Jose (Midland, MI); Dais; Brian C. (Midland, MI) |
Assignee: | Dowbrands L.P. (Indianapolis, IN) |
Appl. No.: | 708410 |
Filed: | May 31, 1991 |
Current U.S. Class: | 383/35; 264/177.1 |
Intern'l Class: | B65D 030/10 |
Field of Search: | 383/35,65,107 264/177.1,177.16 428/157,163,167 |
3393861 | Jul., 1968 | Clayton et al. | 383/35. |
3411698 | Nov., 1968 | Reynolds | 383/35. |
4076121 | Feb., 1978 | Clayton et al. | 264/177. |
4363345 | Dec., 1982 | Scheibner | 383/35. |
5009828 | Apr., 1991 | McCree | 264/177. |
5011642 | Apr., 1991 | Welygan et al. | 264/177. |
Foreign Patent Documents | |||
89680 | Sep., 1983 | EP | 383/65. |
398731 | Nov., 1990 | EP | 383/65. |